As a comprehensive web developer, SEO analyst, and server administrator, I fully grasp the criticality of your plugin failure issue. Firstly, my fluent proficiency in backend development and extensive experience in Web Design, CMS, PHP, HTML, CSS, MySql puts me in a rightful position to handle this project efficiently. I am well-acquainted with your integral database integration tool and armed with troubleshooting strategies specifically targeting these types of issues. Fixing Plugin A's connectivity would be second nature to me.
Secondly, as an SEO analyst and someone closely acquainted with high-traffic demands and performance optimization on multiple platforms including mobile apps, I can assure you that not only will I fix your plugin effectively but I will also make sure it does not happen again.
Ultimately, what sets me apart is my commitment to on-time delivery and top-level communication to ensure no repeat of failed connections. Partnering with me means working with a professional who refuses to settle for anything short of outstanding performance - just like you!